130006509 has 8 divisors (see below), whose sum is σ = 176612832. Its totient is φ = 85035600.

The previous prime is 130006477. The next prime is 130006543. The reversal of 130006509 is 905600031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130006509 - 2⁵ = 130006477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130006549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408667 + ... + 408984.

It is an arithmetic number, because the mean of its divisors is an integer number (22076604).

Almost surely, 2^130006509 is an apocalyptic number.

It is an amenable number.

130006509 is a deficient number, since it is larger than the sum of its proper divisors (46606323).

130006509 is an equidigital number, since it uses as much as digits as its factorization.

130006509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817707.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 130006509 is about 11402.0396859509. The cubic root of 130006509 is about 506.5881564543.

The spelling of 130006509 in words is "one hundred thirty million, six thousand, five hundred nine".